Trailer brake control

https://redarcelectronics.com/products/tow-pro-brake-controller-harness-to-suit-toyota-tph-015 pre-wired adapter for Tacoma (might want to check model to make sure it works with a 2nd gen

https://redarcelectronics.com/products/switch-insert-panel-to-suit-toyota-tundra-tacoma switch insert plate for redarc knob (as above)

https://redarcelectronics.com/products/tow-pro-liberty-electric-brake-controller brake controller

 

You will have to buy a brake controller. I bought a Redarc and it works good!

 

I got the Redarc brake controller, cleanest install in my opinion, as it only takes up one button slot, no visible box and very small footprint on the dash.

https://redarcelectronics.com/collections/electric-trailer-brake-controllers